Title:
OPTICAL RECORDING MATERIALS HAVING HIGH STORAGE DENSITY
Document Type and Number:
WIPO Patent Application WO2005000972
Kind Code:
A3
Abstract:
The invention relates to an optical recording medium comprising a substrate, a recording layer and optionally one or more reflecting layers, wherein the recording layer comprises a compound of formula (I). For the detailed definitions of the further substituents, see the description. Recording and playback are effected especially at a wavelength of from 300 to 500 nm, for example using a blue laser. The recording and playback quality is excellent and allows a high storage density even at high speeds.
Inventors:
SCHMIDHALTER BEAT (CH)
ZAMBOUNIS JOHN S (CH)
WOLLEB HEINZ (CH)
WOLLEB ANNEMARIE (CH)
BIENEWALD FRANK (FR)
BUDRY JEAN-LUC (CH)
SPAHNI HEINZ (CH)
ZAMBOUNIS JOHN S (CH)
WOLLEB HEINZ (CH)
WOLLEB ANNEMARIE (CH)
BIENEWALD FRANK (FR)
BUDRY JEAN-LUC (CH)
SPAHNI HEINZ (CH)
Application Number:
PCT/EP2004/051256
Publication Date:
October 27, 2005
Filing Date:
June 25, 2004
Export Citation:
Assignee:
CIBA SC HOLDING AG (CH)
SCHMIDHALTER BEAT (CH)
ZAMBOUNIS JOHN S (CH)
WOLLEB HEINZ (CH)
WOLLEB ANNEMARIE (CH)
BIENEWALD FRANK (FR)
BUDRY JEAN-LUC (CH)
SPAHNI HEINZ (CH)
SCHMIDHALTER BEAT (CH)
ZAMBOUNIS JOHN S (CH)
WOLLEB HEINZ (CH)
WOLLEB ANNEMARIE (CH)
BIENEWALD FRANK (FR)
BUDRY JEAN-LUC (CH)
SPAHNI HEINZ (CH)
International Classes:
C09B47/26; G11B7/248; (IPC1-7): C09B47/00; G11B7/24
Domestic Patent References:
| WO2000075922A1 | 2000-12-14 | |||
| WO1998045757A1 | 1998-10-15 |
Foreign References:
| EP0519395A1 | 1992-12-23 | |||
| US5580696A | 1996-12-03 | |||
| GB1265842A | 1972-03-08 | |||
| US20030090990A1 | 2003-05-15 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 0082, no. 13 (E - 269) 28 September 1984 (1984-09-28)
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